适当形式填空
1、Beijing is _______(cold) than Kunmingin winter.
2、This box is as ________(beavy)as that one.
3、His modsl plane is ________（good）than hers。
4、Who jumps much __________（hight），Helen or Yang Ling？
5、He has_________（many）interesting books than his_______(young)brother.
6、Our country is getting_________(rich)and_______(strong)
